MassLogger | Threat Level: medium | Type: Infostealer

Cryptographic Identifiers

SHA256c9712e2e976a5fc4ca7c0f7b590ae38589c6b50e94079b260ce390e56cb02a0f
MD5e7094ed1b188752c7ca62dbd55717a81
File Typeps1
Size1088.5 KB
First Seen2026-04-28
File Nameps_mkdNhoKsjB9E_1777388669163.ps1
TagsMassLogger, ps1

Malware Family: MassLogger

MassLogger, email tabanlı keylogger'dır.

TypeInfostealer
Programming LanguageC#/.NET
Target PlatformWindows
C2 ProtocolSMTP/FTP
PurposeEmail keylogger
First Seen Year2020

Threat Indicators (IOC)

  • SHA256: c9712e2e976a5fc4ca7c0f7b590ae38589c6b50e94079b260ce390e56cb02a0f
  • MD5: e7094ed1b188752c7ca62dbd55717a81

You can verify all hash values of this sample on VirusTotal.

System Cleanup Guide

  1. Disconnect the system from the network immediately
  2. Yeni bir cihazdan banka hesabı, sosyal medya ve e-posta şifrelerini değiştirin
  3. Move crypto wallets to a new address and abandon the old ones
  4. Start a full scan with up-to-date antivirus
  5. Clear saved browser passwords and enable 2FA
  6. Sign out of all sessions on every affected service

YARA Rule Hints

rule MassLogger_SHA256 {
    meta:
        description = "MassLogger sample: c9712e2e976a5fc4"
        threat_level = "medium"
        first_seen = "2026-04-28"
    condition:
        hash.sha256(0, filesize) == "c9712e2e976a5fc4ca7c0f7b590ae38589c6b50e94079b260ce390e56cb02a0f"
}

MassLogger — Malware Profile

MassLogger credential stealer. PT2600000043.js Portekiz fatura lurü. CommonJS obfuscation. dispatch configuration data.

Malware Type
Infostealer
Programming Language
C#/.NET
C2 Protocol
SMTP/FTP
Target Systems
Windows

Capabilities & Behavior

Tarayıcı Kimlik Bilgileri
Çerez Hırsızlığı
Kripto Cüzdan Çalma
Sistem Bilgisi
Ekran Görüntüsü
FTP/SSH İstemci Şifreleri
E-posta İstemcisi Çalma
Veri Sızıntısı

IOC List (2 indicators)

IOC — MassLogger
# SHA256 c9712e2e976a5fc4ca7c0f7b590ae38589c6b50e94079b260ce390e56cb02a0f # MD5 e7094ed1b188752c7ca62dbd55717a81
TypeValueNote
sha256 c9712e2e976a5fc4ca7c0f7b590ae38589c6b50e94079b260ce390e56cb02a0f Sample:MassLogger
md5 e7094ed1b188752c7ca62dbd55717a81 Sample:MassLogger
Tags
massloggerinfostealermalwaremediumsha256hash-analizi